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axmol/cocos/base/astc.h

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add astc soft decode support
2020-02-11 23:54:17 +08:00
/******************************************************************************
ASTC Texture Decompression.
ASTC6x6 support and more comment about bpp usage in engine (#191) * ASTC6x6 support and more comment abount bpp usage in engine * fix log output * Comment astc compression tool download url * Add command line comment for astcenc tool [skip travis][skip appveyor] * Add astc_6x6 test image[skip appveyor][skip travis] * astc_6x6 mtl * Refine log info[skip appveyor][skip travis] * Empty line[skip appveyor][skip travis]
2020-09-03 18:01:40 +08:00
astc compression tool: https://github.com/ARM-software/astc-encoder/releases
version required: v1.7+
command:
astcenc-sse4.2 -cl xxx.png xxx.astc 6x6 -medium
add astc soft decode support
2020-02-11 23:54:17 +08:00
******************************************************************************/
#ifndef __ASTC_H__
#define __ASTC_H__
#include <stdint.h>
// ASTC parameters
#define ASTC_HEAD_SIZE 16
#ifdef __cplusplus
extern "C" {
#endif
uint8_t decompress_astc(const uint8_t* in, uint8_t* out, uint32_t width, uint32_t height, uint32_t xdim, uint32_t ydim, uint32_t datalen);
#ifdef __cplusplus
} // extern "C"
#endif
#endif //__ASTC_H__